6 backend developer jobs at 6 companies in Fort Collins, CO
1mo
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Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$130k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering; 5+ years JVM backend (Java or Kotlin) with Spring Boot; 5+ years TypeScript/JavaScript and React; 3+ years cloud-native (GCP or AWS); Bachelor\u0002s or equivalent experience; EM/agentic system familiarity.
JVM, Java, Kotlin, Spring Boot, TypeScript, JavaScript, React, GCP, AWS, OpenAI-compatible APIs, OpenAI-compatible endpoints, Model Context Protocol (MCP), Cursor, Claude Code, Windsurf, Cline, SSE, WebSockets, Jest, React Testing Library, JUnit, Cypress, LangChain, Kubernetes, Helm, HTML, CSS
3mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
6d
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Software Engineer, Ground Software
Broomfield, Colorado, United States
$120k-$165k/yr OnsiteFull Time
3+ YOE3–8 years building cloud-based scalable microservice systems, production service ownership, mission-critical reliability, strong backend/frontend fluency, AWS and modern tooling experience, BS in CS or related (MS preferred).
AWS Suite (EKS, MSK, Timestream, S3, Batch, Event Bridge), Python, C++, React, Tailwind, Redis, Kafka, influx, QuestDB, MongoDB, git, CI/CD, Docker, K8
1d
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Production Engineer II
Florence or Denver or Boulder
$105k-$135k/yr OnsiteFull Time
4+ YOE4+ years building production systems; strong Python, backend/API, cloud (AWS) and Docker experience; experience with logging, monitoring, reliability, and multi-environment systems.
Python, AWS, Docker, ROS2, CI/CD
1mo
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Principal Software Test Automation Engineer
Lafayette, Colorado, United States
$122k-$184k/yr OnsiteFull Time
7+ YOEBachelors in Computer Science or Engineering, 7+ years in software QA/test automation/test lead roles, 5+ years in regulated/medical device industries, test automation and scripting (Python, bash, JavaScript, Perl), C/C++, Linux OS, GUI/backend/reliability/performance testing, regulatory compliance (FDA QSR, IEC 62304), leadership and mentoring ski...
Python, bash, JavaScript, Perl, C/C++, Linux OS, UML, Cypress, Jest, Supertest, React, Rabbit MQ, Rest
1w
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Software Engineering Technical Leader
Boulder, Colorado, United States
$175k-$253k/yr RemoteFull Time
Proven software engineering experience building and operating production systems, experience with backend/distributed systems, AI-enabled systems or LLMs, and strong communication and collaboration skills.